Answer:
3) y +3=4x
Step-by-step explanation:
The y-intercept of a graph is the point where the line crosses the y-axis. This means that the x-value of the y-intercept is always 0.
To find the y-intercept of a function, we can simply set x to 0 and solve for y.
Let's do this for each of the four functions:
1) 25+5y= 5x
If we set x to 0, we get:
25+5y= 5 × 0
25+5y= 0
5y= -25

y= -5
Therefore, the y-intercept of the first function is (-5,0).
2) 6y+x =18
If we set x to 0, we get:
6y+0 = 18
6y= 18

y= 3
Therefore, the y-intercept of the second function is (0,3).
3) y +3=4x
If we set x to 0, we get:
y +3=4×0
y +3= 0
y = -3
Therefore, the y-intercept of the third function is (0,-3).
4)

If we set x to 0, we get:


y = 3
Therefore, the y-intercept of the fourth function is (0,3).
In the given figure, when x = 0, the line intersects the y-axis at (0,-3).
So, the answer is:
3) y +3=4x